As a high performance ac asynchronous motor drive system, accurate torque and position control is necessary for high-speed motorized spindle.

作为一种高性能异步电动机传动，精确的转矩转速和位置控制对于高速电主轴来说是必需的。

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For a high speed motorized spindle, the interference fit between the shaft and bearing has a great influence on the stiffness, rotary accuracy and life of the spindle.

高速电主轴轴承与转轴配合的过盈量大小对主轴的刚度、旋转精度和使用寿命具有十分重要的影响。

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